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Entombed Charoite

#4b2983
Notes

Entombed Charoite (#4B2983) is a deep indigo with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (263°, 52%, 34%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. For a confident two-color system, pair it with its complementary lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#4b2983
RGB
rgb(75, 41, 131)
HSL
hsl(263, 52%, 34%)
HWB
hwb(263 16% 49%)
OKLCH
oklch(37.7% 0.143 296.2)
HSV
hsv(263, 69%, 51%)
LAB
lab(25.92% 36.49 -45.02)
LCH
lch(25.92% 57.95 309.02)
CMYK
cmyk(43%, 69%, 0%, 49%)

Etymology

Entombed
adjective

Old French en-tombe, into-the-tomb — past-participle of entomb. As a color modifier, entombed implies the deep, sealed, untouched-by-light darkness of a sepulchre interior of medieval-and-Renaissance European cathedral architecture. Sits at the deep-and-funereal end of the grid, parallel to sepulchral and crypted in usage.

Charoite
noun

Russian violet-banded mineral mined exclusively along the Chara River in Yakutia, eastern Siberia, since the 1940s. Charoite color refers to a polished Yakutian charoite cabochon: a saturated, slightly cool deep blue-violet with the silky chatoyant finish of fibrous strontium-potassium-calcium silicate. The only deep-violet mineral mined commercially in Russia, valued for its complex banded patterning.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

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Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#4b2983
Original
#003e86
Protanopia
#003c81
Deuteranopia
#3d3e52
Tritanopia
#373737
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon White
10.80:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
1.94:1

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